PATH ROUTE CALCULATION METHOD, PATH ROUTE CALCULATION APPARATUS, AND COMPUTER PROGRAM

PATH ROUTE CALCULATION METHOD, PATH ROUTE CALCULATION APPARATUS, AND COMPUTER PROGRAM

PROBLEM TO BE SOLVED: To reduce an information exchange amount between domains upon calculating a route of a path over a plurality of domains. SOLUTION: A path route calculation apparatus PCE1 calculates a route in a domain from which route information can be acquired with respect to a path passing...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KUMAKI KENJI, HASEGAWA TERUYUKI
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To reduce an information exchange amount between domains upon calculating a route of a path over a plurality of domains. SOLUTION: A path route calculation apparatus PCE1 calculates a route in a domain from which route information can be acquired with respect to a path passing through a plurality of continuous domains (S2a), and the path route calculation apparatus PCE1 notifies a route thus calculated to a path route calculation apparatus PCE2 (S3), and further the path route calculation apparatus PCE2 calculates (S4a) a route in a domain continuous to the route thus notified where the route information can be acquired. COPYRIGHT: (C)2009,JPO&INPIT